Table 1.

Characteristics of patients with schizophrenia and healthy controls

	Patients (N=174)	Controls (N=29)	Statistics	P
Age (year)	35.83±9.52	33.24±5.99	t=1.956	0.056
Sex (male/female)	82/92	12/17	X2=0.330	0.688
Education (year)	13.06±8.84	14.59±3.34	t=0.919	0.359
BMI (kg/m2)	24.07±3.78	23.19±3.30	t=1.186	0.237
Marital status (single/married)	117/57	16/13	X2=1.603	0.291
IL-6 (pg/mL)	9.14±2.52	7.98±2.96	F =4.801	0.030

Note: Data presented as mean±SD or N.

Abbreviations: BMI, body mass index; IL-6, interleukin 6.